mustard plaster

mustard plaster definition - medical

mustard plaster

noun
A medicinal plaster made with a pastelike mixture of powdered black mustard, flour, and water, used especially as a counterirritant.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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